Hitch ball and lock assembly



FIG. 1 is a perspective view of a hitch ball and lock assembly showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is another side view thereof opposite FIG. 2;

FIG. 4 is yet another side view thereof;

FIG. 5 is another side view thereof opposite FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a hitch ball and lock assembly, as shown and described. 